Data plotted here is from DINOSTRAT, available via Zenodo: DOI: 10.5281/zenodo.7791273. Please cite Bijl, 2022 https://doi.org/10.5194/essd-14-579-2022 when using this data.


Plots are based on the following information

Location	Taxon	Source	Calibration	Age (Ma)	Paleolatitude
Pozzale	Luehndea spinosa	Bucefalo Palliani and Riding, 1997a	0.4 in amm_t_Dactylioceras tenuicostatum	183.784	28.546
Quercy2	Luehndea spinosa	Bucefalo Palliani and Riding, 1997b	1 in amm_b_Amaltheus margaritatus	185.6	35.54174742857143
Quercy2	Luehndea spinosa	Bucefalo Palliani and Riding, 1997b	0.5 in amm_b_Amaltheus margaritatus	186.8	35.48267657142857
North Yorkshire	Luehndea spinosa	Bucefalo Palliani and Riding, 2000	0 in amm_b_Dactylioceras tenuicostatum	184.2	43.266512285714285
North Yorkshire	Luehndea spinosa	Bucefalo Palliani and Riding, 2000	0.8 in amm_b_Dactylioceras tenuicostatum	183.368	43.36836334857143
Yorkshire	Luehndea spinosa	Bucefalo Palliani and Riding, 2003	0 in amm_b_Amaltheus margaritatus	188	41.66666142857143
Yorkshire	Luehndea spinosa	Bucefalo Palliani and Riding, 2003	0.5 in amm_b_Dactylioceras tenuicostatum	183.68	42.1411332
Bavaria	Luehndea spinosa	Bucefalo Palliani and Riding, 2003	0 in amm_b_Amaltheus margaritatus	188	42.83327142857143
Bavaria	Luehndea spinosa	Bucefalo Palliani and Riding, 2003	1 in amm_b_Dactylioceras tenuicostatum	183.16	42.871175542857145
Denmark2	Luehndea spinosa	Bucefalo Palliani and Riding, 2003	0 in amm_b_Amaltheus margaritatus	188	48.42107571428571
Denmark2	Luehndea spinosa	Bucefalo Palliani and Riding, 2003	0.5 in amm_b_Dactylioceras tenuicostatum	183.68	48.7808268
Central Italy	Luehndea spinosa	Bucefalo Palliani and Riding, 2003	1 in amm_b_Dactylioceras tenuicostatum	183.16	28.3268
Central Italy	Luehndea spinosa	Bucefalo Palliani and Riding, 2003	0 in amm_b_Uptonia jamesoni	192.9	29.029999999999998
Hungary	Luehndea spinosa	Bucefalo Palliani and Riding, 2003	1 in amm_b_Dactylioceras tenuicostatum	183.16	34.053200000000004
Hungary	Luehndea cirilliae	Bucefalo Palliani and Riding, 2003	1 in amm_t_Harpoceras serpentinum	181.17	33.5159
Hungary	Luehndea cirilliae	Bucefalo Palliani and Riding, 2003	0 in amm_b_Uptonia jamesoni	192.9	35.03
Hungary	Luehndea spinosa	Bucefalo Palliani and Riding, 2003	0 in amm_b_Uptonia jamesoni	192.9	35.03
Portugal	Luehndea spinosa	Bucefalo Palliani and Riding, 2003	1 in amm_b_Dactylioceras tenuicostatum	183.16	32.008205600000004
Portugal	Luehndea cirilliae	Bucefalo Palliani and Riding, 2003	1 in amm_t_Harpoceras serpentinum	181.17	31.96110825
Portugal	Luehndea cirilliae	Bucefalo Palliani and Riding, 2003	0 in amm_b_Uptonia jamesoni	192.9	29.96239975
Portugal	Luehndea spinosa	Bucefalo Palliani and Riding, 2003	0 in amm_b_Uptonia jamesoni	192.9	29.96239975
southern France	Luehndea spinosa	Bucefalo Palliani and Riding, 2003	0 in amm_b_Uptonia jamesoni	192.9	34.882796
Lusitanian Basin	Luehndea spinosa	Correia et al., 2018	0 in amm_b_Amaltheus margaritatus	188	31.656355714285713
Lusitanian Basin	Luehndea spinosa	Correia et al., 2018	1 in amm_b_Dactylioceras tenuicostatum	183.16	32.35910297142857
North Sea Compilation	Luehndea spinosa	Riding and Thomas, 1992	0 in amm_b_Dactylioceras tenuicostatum	184.2	42.96105371428571
Scotian Margin	Luehndea spinosa	Williams et al., 1993	0.75 in stage_Pliensbachian	186.375	27.45633625
Scotian Margin	Luehndea spinosa	Williams et al., 1993	0.85 in stage_Pliensbachian	185.505	27.69022083571429
nw Australia compilation	Luehndea septata	Riding et al., 2010	0 in stage_Toarcian	184.2	-31.87030885714286
nw Australia compilation	Luehndea septata	Riding et al., 2010	0.25 in stage_Toarcian	181.825	-32.585384975000004
nw Australia compilation	Luehndea spinosa	Riding et al., 2010	0 in stage_Toarcian	184.2	-31.87030885714286
Schandelah	Luehndea spinosa	vd Schootbrugge et al., 2019b	0.2 in amm_b_Amaltheus margaritatus	187.52	45.425837314285715
Schandelah	Luehndea spinosa	vd Schootbrugge et al., 2019b	1 in amm_b_Dactylioceras tenuicostatum	183.16	45.59801994285714
Dorset-Yorkshire	Luehndea spinosa	Woollam and Riding, 1983	0 in amm_b_Amaltheus margaritatus	188	40.449771428571424
North Sea Basin	Luehndea spinosa	Copestake and Partington, 2023	0.33 in amm_b_Harpoceras serpentinum	182.5033	46.040327624
North Sea Basin	Luehndea spinosa	Copestake and Partington, 2023	0.5 in amm_b_Prodactylioceras davoei	188.2	45.38517457142858

Histogram